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Author Question: What volume of 0.0500 M sodium hydroxide should be added to 250. mL of 0.100 M HCOOH to obtain a ... (Read 6 times)

madimontg

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on: Nov 5, 2023

Question 1

What pH range is a HOCl – NaOCl buffer effective?
◦ pH 2.0 – pH 4.0
◦ pH 7.5 – pH 9.5
◦ pH 6.5 – pH 8.5
◦ pH 6.5 – pH 9.5
◦ pH 1.0 – pH 14.0

Question 2

What volume of 0.0500 M sodium hydroxide should be added to 250. mL of 0.100 M HCOOH to obtain a solution with a pH of 4.50?  [Ka(HCOOH) = 1.7 × 10–4]
◦ 540 mL
◦ 420 mL
◦ 80. mL
◦ 340 mL
◦ 500. mL
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by madimontg on Nov 5, 2023

Sha

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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madimontg

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

mohan

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Reply 3 on: Yesterday
Excellent

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